85440015

素因数分解:

$3^5\times 5^1\times {\mathrm{70321}}^1$

素因数の和:70341

約数の個数: 24

約数和(自身を含む): 153583248

約数和(自身を除く): 68143233

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 70321, 210963, 351605, 632889, 1054815, 1898667, 3164445, 5696001, 9493335, 17088003, 28480005, 85440015]

約数ペア:

[(1, 85440015), (3, 28480005), (5, 17088003), (9, 9493335), (15, 5696001), (27, 3164445), (45, 1898667), (81, 1054815), (135, 632889), (243, 351605), (405, 210963), (1215, 70321)]